diff options
author | Wang Kefeng <wangkefeng.wang@huawei.com> | 2021-12-18 09:30:41 +0100 |
---|---|---|
committer | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2022-02-28 13:59:17 +0000 |
commit | dacf3ca134d0dc105caee77651a349a86bd77456 (patch) | |
tree | d93d1afa26cddd463965596dde5cd19f17f6ab98 /drivers/amba | |
parent | 25d490eb46486e88c16e64d9eb7cfd33a642d596 (diff) |
ARM: 9173/1: amba: kill amba_find_match()
There is no one use amba_find_match(), kill it.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'drivers/amba')
-rw-r--r-- | drivers/amba/bus.c | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index e1a5eca3ae3c..dd0ef65e5c3a 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -669,66 +669,6 @@ void amba_device_unregister(struct amba_device *dev) device_unregister(&dev->dev); } - -struct find_data { - struct amba_device *dev; - struct device *parent; - const char *busid; - unsigned int id; - unsigned int mask; -}; - -static int amba_find_match(struct device *dev, void *data) -{ - struct find_data *d = data; - struct amba_device *pcdev = to_amba_device(dev); - int r; - - r = (pcdev->periphid & d->mask) == d->id; - if (d->parent) - r &= d->parent == dev->parent; - if (d->busid) - r &= strcmp(dev_name(dev), d->busid) == 0; - - if (r) { - get_device(dev); - d->dev = pcdev; - } - - return r; -} - -/** - * amba_find_device - locate an AMBA device given a bus id - * @busid: bus id for device (or NULL) - * @parent: parent device (or NULL) - * @id: peripheral ID (or 0) - * @mask: peripheral ID mask (or 0) - * - * Return the AMBA device corresponding to the supplied parameters. - * If no device matches, returns NULL. - * - * NOTE: When a valid device is found, its refcount is - * incremented, and must be decremented before the returned - * reference. - */ -struct amba_device * -amba_find_device(const char *busid, struct device *parent, unsigned int id, - unsigned int mask) -{ - struct find_data data; - - data.dev = NULL; - data.parent = parent; - data.busid = busid; - data.id = id; - data.mask = mask; - - bus_for_each_dev(&amba_bustype, NULL, &data, amba_find_match); - - return data.dev; -} - /** * amba_request_regions - request all mem regions associated with device * @dev: amba_device structure for device @@ -768,6 +708,5 @@ EXPORT_SYMBOL(amba_driver_register); EXPORT_SYMBOL(amba_driver_unregister); EXPORT_SYMBOL(amba_device_register); EXPORT_SYMBOL(amba_device_unregister); -EXPORT_SYMBOL(amba_find_device); EXPORT_SYMBOL(amba_request_regions); EXPORT_SYMBOL(amba_release_regions); |